[2024年07月01日]1z0-1085-23サンプルには正確で更新された問題
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質問 # 51
A new customer has logged into Oracle Cloud Infrastructure (OCI) as an administrator for the first time. The admin would like to deploy Infrastructure into a region other then their home region.
What is the first Stop they must take in order to accomplish this task?
- A. Use API endpoints to create resources in the desired region.
- B. File a service request for access to each additional region.
- C. Navigate to the desired region and begin creating resources.
- D. Subscribe to the desired region.
正解：D
解説：
When you sign up for Oracle Cloud Infrastructure, Oracle creates a tenancy for you in one region. This is your home region. Your home region is where your IAM resources are defined. When you subscribe to another region, your IAM resources are available in the new region, however, the master definitions reside in your home region and can only be changed there.
When you subscribe your tenancy to a new region, all the policies from your home region are enforced in the new region. If you want to limit access for groups of users to specific regions, you can write policies to grant access to specific regions only.
Reference:
https://docs.cloud.oracle.com/en-us/iaas/Content/Identity/Tasks/managingregions.htm To create an instance in another region, perform these preliminary steps:
1. Extend your subscription to another region.
2. Federate Oracle Identity Cloud Service (IDCS) from the new region with Oracle Cloud Infrastructure (OCI).
Also, when you purchase these services or sign up for a free promotion, you typically choose the data region closest to your location to access them. This becomes your primary data region. However, if required, you can extend your subscription to other geographical regions (within the same cloud account) and use the services there.
質問 # 52
Which performance level is NOT available in the Oracle Cloud infrastructure Block Volume service?
- A. Balanced
- B. Ultra High Performance
- C. Higher Performance
- D. Low Performance
正解：D
解説：
Low performance is not a performance level available in the Oracle Cloud Infrastructure Block Volume service. The Block Volume service offers four performance levels for block volumes: higher performance, balanced, lower cost, and ultra high performance. Each performance level has different characteristics in terms of throughput, IOPS, latency, and cost.
質問 # 53
Which service is the most effective for moving large amounts of data from your on-premises to OCI?
- A. Internal Gateway
- B. Data Transfer appliance
- C. Data Safe
- D. Dynamic Routing Gateway
正解：B
質問 # 54
After Signing up for a new Oracle cloud Infrastructure tenancy, what would you subscribe to in order to deploy infrastructure and services in different parts of the world?
- A. Pay as you go pricing
- B. Fault Domains
- C. Region
- D. Availability Domain
正解：C
解説：
Oracle Cloud Infrastructure is hosted in regions and availability domains. A region is a localized geographic area, and an availability domain is one or more data centers located within a region. A region is composed of one or more availability domains. Most Oracle Cloud Infrastructure resources are either region-specific, such as a virtual cloud network, or availability domain-specific, such as a compute instance. Traffic between availability domains and between regions is encrypted. Availability domains are isolated from each other, fault tolerant, and very unlikely to fail simultaneously. Because availability domains do not share infrastructure such as power or cooling, or the internal availability domain network, a failure at one availability domain within a region is unlikely to impact the availability of the others within the same region.
The availability domains within the same region are connected to each other by a low latency, high bandwidth network, which makes it possible for you to provide high-availability connectivity to the internet and on-premises, and to build replicated systems in multiple availability domains for both high-availability and disaster recovery.
Oracle is adding multiple cloud regions around the world to provide local access to cloud resources for our customers. To accomplish this quickly, we've chosen to launch regions in new geographies with one availability domain.
As regions require expansion, we have the option to add capacity to existing availability domains, to add additional availability domains to an existing region, or to build a new region. The expansion approach in a particular scenario is based on customer requirements as well as considerations of regional demand patterns and resource availability.
For any region with one availability domain, a second availability domain or region in the same country or geo-political area will be made available within a year to enable further options for disaster recovery that support customer requirements for data residency where they exist.
質問 # 55
Which is NOT a valid business benefit for a customer considering migrating their infrastructure and apps to Oracle Cloud Infrastructure (OCI)?
- A. Greater agility
- B. Faster go-to market
- C. Capital Expenditure to Operational Expenditure conversion
- D. Increased Total Cost of Ownership (TCO)
正解：D
解説：
Oracle Cloud Infrastructure is a set of complementary cloud services that enable you to build and run a wide range of applications and services in a highly available hosted environment. Oracle Cloud Infrastructure offers high-performance compute capabilities (as physical hardware instances) and storage capacity in a flexible overlay virtual network that is securely accessible from your on-premises network.
Reference:
https://docs.cloud.oracle.com/en-us/iaas/Content/GSG/Concepts/baremetalintro.htm One of the major benefits of cloud computing is REDUCED TCO. Therefore, Increased TCO is the incorrect option.
質問 # 56
Which OCI service is the most cost-effective?
- A. Archive Storage
- B. File Storage
- C. Block Volume
- D. Object Storage (standard)
正解：D
質問 # 57
In Oracle Cloud Infrastructure Block Volume Service, which feature enables you to increase the size of a block volume without any downtime?
- A. Volume Elasticity
- B. Volume Bursting
- C. Online Resizing
- D. Dynamic Volume Resizing
正解：C
解説：
Online resizing is the feature that enables you to increase the size of a block volume without any downtime. Online resizing allows you to expand an existing volume in place while it is still attached to an instance and in use by the operating system or applications. You can use the Console, CLI, or API to perform online resizing1.
質問 # 58
Which Oracle Cloud Infrastructure (OCI) monitoring service feature uses metrics for monitoring and consists of a trigger action and notification method?
- A. Rippers
- B. Namespaces
- C. Queries
- D. Alarms
正解：D
解説：
Alarms are the Oracle Cloud Infrastructure (OCI) monitoring service feature that uses metrics for monitoring and consists of a trigger action and notification method. Alarms allow you to set rules for metric data and receive notifications when the rules are met or breached. For example, you can create an alarm that triggers when the CPU utilization of a compute instance exceeds 80% for more than 5 minutes, and sends an email notification to a specified topic in Notifications service6
質問 # 59
Which Oracle Cloud infrastructure service is NOT designed for a multicloud solution?
- A. Oracle interconnect for Azure
- B. Oracle MySQL Heatwave on AWS
- C. Oracle Roving edge infrastructure
- D. Oracle Databased Service for Azure
正解：D
解説：
Oracle Database Service for Azure is not designed for a multicloud solution. It is a service that allows customers to run Oracle Database on Azure infrastructure, using the same license they have for Oracle Database on Oracle Cloud Infrastructure3
質問 # 60
Which Oracle Cloud Infrastructure service continuously your cloud resources and configuration to detect, assess, and remediate security risks?
- A. Security Zones
- B. Security Advisor
- C. Vault
- D. Cloud Guard
正解：D
解説：
Cloud Guard is the Oracle Cloud Infrastructure service that continuously monitors your cloud resources and configuration to detect, assess, and remediate security risks. Cloud Guard acts as a log and events aggregator from multiple sources, including Audit, OS Management, Networking, and IAM. It applies built-in security rules to identify misconfigurations, anomalous activities, and insecure behaviors. It also provides recommendations and actions to address the issues4.
質問 # 61
What is the primary use case for using Web Application Firewall in Oracle Cloud Infrastructure (OCI)?
- A. Hardware-based key storage
- B. Filter malicious web traffic
- C. Patch management
- D. Network security control
正解：B
解説：
The primary use case for using Web Application Firewall (WAF) in OCI is to filter malicious web traffic and protect internet-facing and internal applications from attacks. WAF is a cloud-based, PCI-compliant, global web application firewall service that monitors and controls access to web applications based on predefined rules and threat intelligence. WAF can block common web application attacks such as cross-site scripting (XSS), SQL injection, remote file inclusion, etc., as well as bot traffic, geographic restrictions, rate limiting, etc. WAF can protect any internet-facing endpoint or internal application by attaching WAF policies to enforcement points such as load balancers or web application domain names10
質問 # 62
Which two are enabled by Oracle Cloud Infrastructure Fault Domains?
- A. Protect against planned hardware maintenance
- B. To mitigate the risk of large scale events such as earthquakes
- C. Build replicated systems for disaster recovery
- D. To meet requirements for legal jurisdictions
- E. Protect against unexpected hardware or power supply failures
正解：A、E
解説：
A fault domain is a grouping of hardware and infrastructure within an availability domain. Each availability domain contains three fault domains. Fault domains provide anti-affinity: they let you distribute your instances so that the instances are not on the same physical hardware within a single availability domain. A hardware failure or Compute hardware maintenance event that affects one fault domain does not affect instances in other fault domains. In addition, the physical hardware in a fault domain has independent and redundant power supplies, which prevents a failure in the power supply hardware within one fault domain from affecting other fault domains.
To control the placement of your compute instances, bare metal DB system instances, or virtual machine DB system instances, you can optionally specify the fault domain for a new instance or instance pool at launch time. If you don't specify the fault domain, the system selects one for you. Oracle Cloud Infrastructure makes a best-effort anti-affinity placement across different fault domains, while optimizing for available capacity in the availability domain. To change the fault domain for an instance, terminate it and launch a new instance in the preferred fault domain.
Use fault domains to do the following things:
Protect against unexpected hardware failures or power supply failures.
Protect against planned outages because of Compute hardware maintenance.
We can use fault domains to do the following things:
1) Protect against unexpected hardware failures or power supply failures.
2) Protect against planned outages because of Compute hardware maintenance
Reference:
https://docs.cloud.oracle.com/en-us/iaas/Content/General/Concepts/regions.htm
質問 # 63
Which of the following services can you control access to via IAM?
- A. DB systems
- B. All services including IAM
- C. Networking components
- D. Compute Instances
正解：B
解説：
Oracle Cloud Infrastructure Identity and Access Management (IAM) lets you control who has access to your cloud resources. You can control what type of access a group of users have and to which specific resources. This section gives you an overview of IAM components and an example scenario to help you understand how they work together.
質問 # 64
A new customer has logged into Oracle Cloud Infrastructure (OCI) as an administrator for the first time. The admin would like to deploy infrastructure. What is the first step they must take in order to accomplish this task?
- A. Use API endpoints to create resources in the desired region.
- B. File a service request for access to each additional region.
- C. Navigate to the desired region and begin creating resources.
- D. Subscribe to the desired region.
正解：D
解説：
When you sign up for Oracle Cloud Infrastructure, Oracle creates a tenancy for you in one region. This is your home region. Your home region is where your IAM resources are defined. When you subscribe to another region, your IAM resources are available in the new region, however, the master definitions reside in your home region and can only be changed there.
When you subscribe your tenancy to a new region, all the policies from your home region are enforced in the new region. If you want to limit access for groups of users to specific regions, you can write policies to grant access to specific regions only.
Reference:
https://docs.cloud.oracle.com/en-us/iaas/Content/Identity/Tasks/managingregions.htm
質問 # 65
What is the primary purpose of the MYSQL Database Service HeatWave Configuration in OCI?
- A. To offer a serverless MySQL deployment
- B. To provide a distributed in-memory query accelerator
- C. To enable seamless database migration from on-premises to OCI
- D. To ensure high availability and fault tolerance
正解：B
解説：
The MySQL Database Service HeatWave Configuration in OCI is a distributed in-memory query accelerator that enables customers to run analytics queries on their MySQL databases up to 400 times faster than without HeatWave. It also eliminates the need to move data to a separate analytics database5
質問 # 66
What service is NOT available as part of Oracle Cloud Free Tier?
- A. Oracle Cloud Infrastructure Monitoring
- B. Oracle Cloud Infrastructure Exadata DB Systems
- C. Oracle Cloud Infrastructure Autonomous Data Warehouse
- D. Oracle Cloud Infrastructure Compute
正解：B
解説：
For more information on Oracle Cloud Infrastructure Free Tier refer below official documentation
https://docs.cloud.oracle.com/en-us/iaas/Content/FreeTier/freetier.htm?Highlight=Free%20Tier Exadata DB Systems aren't a part of the free tier:
質問 # 67
Which factor does NOT impact the cost of running a virtual machine instance In Oracle Cloud infrastructure.
- A. The region used by the VM instance
- B. The operating system used by the instance
- C. The number of virtual machine running
- D. The size of the VM instance
正解：C
解説：
The cost of running a virtual machine instance in Oracle Cloud Infrastructure depends on several factors, such as the size, shape, region, and operating system of the instance. The number of virtual machines running does not impact the cost of each individual instance1
質問 # 68
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